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Finding the Fourth Proportional to 159,656.50, 220,323.54 and 88,034.68

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Solution

The fourth proportional to 159,656.50, 220,323.54 and 88,034.68 is: 121,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,656.50 : 220,323.54 = 88,034.68 : x
  2. Step 2: Convert to fraction form
    159,656.50/220,323.54 = 88,034.68/x
  3. Step 3: Cross multiply
    159,656.50x = 220,323.54 × 88,034.68
  4. Step 4: Simplify right side
    159,656.50x = 19,396,112,340.37
  5. Step 5: Solve for x
    x = 19,396,112,340.37/159,656.50
  6. Step 6: Final answer
    x = 121,486.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.